Thor #250 (1976)

"If Asgard Should Perish...!" Cover pencils by Jack Kirby, inks by Joe Sinnott, script by Len Wein, pencils by John Buscema (breakdowns) and Tony DeZuniga (finished art).  Thor and the Asgardians battle Mangog, restored by Igron using Asgardian life force. Disguised as Odin, Mangog threatens to draw the Odinsword, which could lead to cataclysmic results.

Landmark 250^th issue. Last 25-cent cover price. Very good condition.